19322660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19717}}^1$

素因数の和:19740

約数の個数: 36

約数和(自身を含む): 47204892

約数和(自身を除く): 27882232

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19717, 39434, 78868, 98585, 138019, 197170, 276038, 394340, 552076, 690095, 966133, 1380190, 1932266, 2760380, 3864532, 4830665, 9661330, 19322660]

約数ペア:

[(1, 19322660), (2, 9661330), (4, 4830665), (5, 3864532), (7, 2760380), (10, 1932266), (14, 1380190), (20, 966133), (28, 690095), (35, 552076), (49, 394340), (70, 276038), (98, 197170), (140, 138019), (196, 98585), (245, 78868), (490, 39434), (980, 19717)]